Use this information about Department G to answer the question that follow. Department G had 2,280 units 25% completed at the beginning of the period, 13,600 units were completed during the period, 1,900 units were 20% completed at the end of the period, and the following manufacturing costs were debited to the departmental work in process account during the period: Work in process, beginning of period $32,600 Costs added during period: Direct materials (13,220 units at $9) 118,980 Direct labor 120,690 Factory overhead 26,820 All direct materials are placed in process at the beginning of production, and the first-in, first-out method of inventory costing is used. What is the total cost of the departmental work in process inventory at the end of the period? a.$27,664 b.$21,280 c.$20,520 d.$17,100